Which of the following is a disadvantage of using solar energy? A. Solar energy produces greenhouse gases.
B. Solar energy is available only in the summer
C. Solar panels do not work very well.
o
D. Solar panels are expensive.

Pepsin is an enzyme in the stomach that breaks polypeptides into amino acids. pepsin functions best at a ph of around 1.5. what would be the most likely result if the ph of the stomach were increased to 5

The picture shows a fishing technique called trawling. how might trawling affect marine biodiversity

In a population that is in hardy-weinberg equilibrium, there are two possible alleles for a certain gene, a and a. if the frequency of allele a is 0.4, what fraction of the population is heterozygous? a. 0.40 b. 0.60 c. 0.16 d. 0.48